Direct (nonstop) flights from Boston to Guanacaste
2 airlines fly nonstop from Boston Logan International Airport (BOS) to Daniel Oduber Quiros International (LIR). It's 2,357 miles (3,793 km), about 5h 49m in the air. Operated by JetBlue Airways, Delta Air Lines.
JetBlue Airways
Delta Air Lines
Route data last updated: May 29, 2026
Airlines with non-stop flights
B6
JetBlue Airways
DL
Delta Air Lines
Alternative Routes
Other ways to fly from Boston to Guanacaste with one stop · direct emits 398 kg CO₂ per passenger
Looking for the return flight?
LIR → BOS: Flights from Guanacaste to BostonOther direct flights from Boston
Direct flights from Guanacaste (LIR)
Frequently Asked Questions
How long is the direct flight from Boston to Guanacaste?
A nonstop flight from Boston (BOS) to Guanacaste (LIR) takes approximately 5 hours and 49 minutes. The distance is 2,357 miles (3,793 km).
Which airlines fly nonstop from Boston to Guanacaste?
2 airlines: JetBlue Airways, Delta Air Lines.
Is there a nonstop flight from Boston to Guanacaste?
Yes. 2 airlines: JetBlue Airways, Delta Air Lines.
How far is Boston from Guanacaste?
The flight distance from Boston to Guanacaste is 2,357 miles (3,793 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What is the time difference between Boston and Guanacaste?
Guanacaste is 2 hours behind Boston. (America/New_York vs America/Costa_Rica.)
What type of aircraft flies from Boston to Guanacaste?
At 5h 49m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from USA to Costa Rica?
Depends on your passport. Check with the Costa Rica embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Boston to Guanacaste?
Roughly 398 kg CO2 per passenger one-way. That's about the same as driving 1,990 km.
Is the return flight from Guanacaste to Boston also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Boston to Guanacaste?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Boston Logan International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.